Gels are a promising method of drug delivery because they are moldable and can release their payload over a specified time period, and researchers have now created a "self-healing" version that can be injected with a syringe instead of surgically implanted.

Gels are a promising method of drug delivery because they are moldable and can release their payload over a specified time period, and researchers have now created a "self-healing" version that can be injected with a syringe instead of surgically implanted.